Foco seletivo da placa-mãe de computador na mão do engenheiro - Banco de fotos e imagens

Chemist scientist woman checking dna sample test using tablet while her collegue typing microbiology experiment on computer in background. Medical team working in microbiology laboratory

Close-up. the young man tightens the spokes on the Bicycle wheel. He tightens the spokes, one after another with a special key, and then verifies their tension

Close-up shot of microscope with metal lens at laboratory.

Scientist hands with microscope close-up shot in the laboratory

Specialistic microscope used in hand assembly of electric components. Equipment for engineers repairing PCB of many electric devices. High quality photo

Close up of glass tray on microscope for examination in laboratory. Chemical instrument used for dna research and analyzing bacteria. Doctor hands fixing sample tool for optical investigation

Computer repair, spin blur concept